Gate valve sealing structure



FIG. 1 is a perspective view of gate valve sealing structure according to the present invention.

FIG. 2 is right side elevation view of the structure of FIG. 1, with the left side view, front view, and rear view being mirror images thereof.

FIG. 3 is a top plan view of the structure of FIG. 1; and,

FIG. 4 is a bottom plan view of the structure of FIG. 1.

The broken lines in FIG. 1 are illustrative of environmental structure only and form no part of the claimed design. 

The ornamental design for a gate valve sealing structure, as shown and described. 